Dabber clamp for processing disc type gear

A technology of gears and mandrels, which is applied in the direction of manufacturing tools, metal processing equipment, gear teeth manufacturing devices, etc., can solve the problems of poor size adaptability, fluctuation of gear inner hole size and difficulty in ensuring product quality, etc., to eliminate processing errors and realize universal Sexuality and the effect of reducing production costs
CN1943948AInactive Publication Date: 2007-04-11GUIZHOU QUNJIAN PRECISION MACHINERY
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
GUIZHOU QUNJIAN PRECISION MACHINERY
Publication Date
2007-04-11
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The spindle clamp for machining disc type gear includes rigid spindle, clamping nut, needle roller holder, compression spring and conic needle roller. Between the rigid spindle and the workpiece, are the conic needle rollers taper contacting the rigid spindle and inside the needle roller holder; the needle roller holder covers the rigid spindle and has outer end is contacted with the clamping nut connected to the rigid spindle; and the compression spring covers the rigid spindle and has two ends supporting the needle roller holder and the rigid spindle separately. The present invention is superior to available spindle clamp and has lowered production cost.
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Description

Technical field:

[0001] The invention relates to a mandrel clamp for processing disc gears. Background technique:

[0002] Gears are an important basic part of mechanical transmission. In terms of shape, it can generally be divided into two major categories: shaft gears and disc gears. In order to meet the precision requirements of gears, various gear processing methods such as hobbing, shaving or grinding are generally used in production. As far as disc gears are concerned, no matter which gear processing method is used, a process mandrel fixture is required.

[0003] At present, the mandrel fixture commonly used in production, as shown in Figure 1, is composed of three parts such as a rigid mandrel (1), a flat washer (3), and a clamping nut (4); when clamping, the workpiece (2 ) takes the outer circle of the rigid mandrel (1) as the positioning reference, and clamps the workpiece by tightening the clamping nut (4). When not pinching the workpiece. Its advantages are: ...

Claims

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